0,0 → 1,727 |
/* |
* |
* Copyright (c) 1994 |
* Hewlett-Packard Company |
* |
* Permission to use, copy, modify, distribute and sell this software |
* and its documentation for any purpose is hereby granted without fee, |
* provided that the above copyright notice appear in all copies and |
* that both that copyright notice and this permission notice appear |
* in supporting documentation. Hewlett-Packard Company makes no |
* representations about the suitability of this software for any |
* purpose. It is provided "as is" without express or implied warranty. |
* |
* |
* Copyright (c) 1996 |
* Silicon Graphics Computer Systems, Inc. |
* |
* Permission to use, copy, modify, distribute and sell this software |
* and its documentation for any purpose is hereby granted without fee, |
* provided that the above copyright notice appear in all copies and |
* that both that copyright notice and this permission notice appear |
* in supporting documentation. Silicon Graphics makes no |
* representations about the suitability of this software for any |
* purpose. It is provided "as is" without express or implied warranty. |
*/ |
|
/* NOTE: This is an internal header file, included by other STL headers. |
* You should not attempt to use it directly. |
*/ |
|
#ifndef __SGI_STL_INTERNAL_VECTOR_H |
#define __SGI_STL_INTERNAL_VECTOR_H |
|
#include <bits/stl_iterator_base_funcs.h> |
#include <bits/functexcept.h> |
#include <bits/concept_check.h> |
|
namespace std |
{ |
|
// The vector base class serves two purposes. First, its constructor |
// and destructor allocate (but don't initialize) storage. This makes |
// exception safety easier. Second, the base class encapsulates all of |
// the differences between SGI-style allocators and standard-conforming |
// allocators. |
|
// Base class for ordinary allocators. |
template <class _Tp, class _Allocator, bool _IsStatic> |
class _Vector_alloc_base { |
public: |
typedef typename _Alloc_traits<_Tp, _Allocator>::allocator_type |
allocator_type; |
allocator_type get_allocator() const { return _M_data_allocator; } |
|
_Vector_alloc_base(const allocator_type& __a) |
: _M_data_allocator(__a), _M_start(0), _M_finish(0), _M_end_of_storage(0) |
{} |
|
protected: |
allocator_type _M_data_allocator; |
_Tp* _M_start; |
_Tp* _M_finish; |
_Tp* _M_end_of_storage; |
|
_Tp* _M_allocate(size_t __n) |
{ return _M_data_allocator.allocate(__n); } |
void _M_deallocate(_Tp* __p, size_t __n) |
{ if (__p) _M_data_allocator.deallocate(__p, __n); } |
}; |
|
// Specialization for allocators that have the property that we don't |
// actually have to store an allocator object. |
template <class _Tp, class _Allocator> |
class _Vector_alloc_base<_Tp, _Allocator, true> { |
public: |
typedef typename _Alloc_traits<_Tp, _Allocator>::allocator_type |
allocator_type; |
allocator_type get_allocator() const { return allocator_type(); } |
|
_Vector_alloc_base(const allocator_type&) |
: _M_start(0), _M_finish(0), _M_end_of_storage(0) |
{} |
|
protected: |
_Tp* _M_start; |
_Tp* _M_finish; |
_Tp* _M_end_of_storage; |
|
typedef typename _Alloc_traits<_Tp, _Allocator>::_Alloc_type _Alloc_type; |
_Tp* _M_allocate(size_t __n) |
{ return _Alloc_type::allocate(__n); } |
void _M_deallocate(_Tp* __p, size_t __n) |
{ _Alloc_type::deallocate(__p, __n);} |
}; |
|
template <class _Tp, class _Alloc> |
struct _Vector_base |
: public _Vector_alloc_base<_Tp, _Alloc, |
_Alloc_traits<_Tp, _Alloc>::_S_instanceless> |
{ |
typedef _Vector_alloc_base<_Tp, _Alloc, |
_Alloc_traits<_Tp, _Alloc>::_S_instanceless> |
_Base; |
typedef typename _Base::allocator_type allocator_type; |
|
_Vector_base(const allocator_type& __a) : _Base(__a) {} |
_Vector_base(size_t __n, const allocator_type& __a) : _Base(__a) { |
_M_start = _M_allocate(__n); |
_M_finish = _M_start; |
_M_end_of_storage = _M_start + __n; |
} |
|
~_Vector_base() { _M_deallocate(_M_start, _M_end_of_storage - _M_start); } |
}; |
|
|
template <class _Tp, class _Alloc = allocator<_Tp> > |
class vector : protected _Vector_base<_Tp, _Alloc> |
{ |
// concept requirements |
__glibcpp_class_requires(_Tp, _SGIAssignableConcept); |
|
private: |
typedef _Vector_base<_Tp, _Alloc> _Base; |
typedef vector<_Tp, _Alloc> vector_type; |
public: |
typedef _Tp value_type; |
typedef value_type* pointer; |
typedef const value_type* const_pointer; |
typedef __normal_iterator<pointer, vector_type> iterator; |
typedef __normal_iterator<const_pointer, vector_type> const_iterator; |
typedef value_type& reference; |
typedef const value_type& const_reference; |
typedef size_t size_type; |
typedef ptrdiff_t difference_type; |
|
typedef typename _Base::allocator_type allocator_type; |
allocator_type get_allocator() const { return _Base::get_allocator(); } |
|
typedef reverse_iterator<const_iterator> const_reverse_iterator; |
typedef reverse_iterator<iterator> reverse_iterator; |
|
protected: |
using _Base::_M_allocate; |
using _Base::_M_deallocate; |
using _Base::_M_start; |
using _Base::_M_finish; |
using _Base::_M_end_of_storage; |
|
protected: |
void _M_insert_aux(iterator __position, const _Tp& __x); |
void _M_insert_aux(iterator __position); |
|
public: |
iterator begin() { return iterator (_M_start); } |
const_iterator begin() const |
{ return const_iterator (_M_start); } |
iterator end() { return iterator (_M_finish); } |
const_iterator end() const { return const_iterator (_M_finish); } |
|
reverse_iterator rbegin() |
{ return reverse_iterator(end()); } |
const_reverse_iterator rbegin() const |
{ return const_reverse_iterator(end()); } |
reverse_iterator rend() |
{ return reverse_iterator(begin()); } |
const_reverse_iterator rend() const |
{ return const_reverse_iterator(begin()); } |
|
size_type size() const |
{ return size_type(end() - begin()); } |
size_type max_size() const |
{ return size_type(-1) / sizeof(_Tp); } |
size_type capacity() const |
{ return size_type(const_iterator(_M_end_of_storage) - begin()); } |
bool empty() const |
{ return begin() == end(); } |
|
reference operator[](size_type __n) { return *(begin() + __n); } |
const_reference operator[](size_type __n) const { return *(begin() + __n); } |
|
void _M_range_check(size_type __n) const { |
if (__n >= this->size()) |
__throw_out_of_range("vector"); |
} |
|
reference at(size_type __n) |
{ _M_range_check(__n); return (*this)[__n]; } |
const_reference at(size_type __n) const |
{ _M_range_check(__n); return (*this)[__n]; } |
|
explicit vector(const allocator_type& __a = allocator_type()) |
: _Base(__a) {} |
|
vector(size_type __n, const _Tp& __value, |
const allocator_type& __a = allocator_type()) |
: _Base(__n, __a) |
{ _M_finish = uninitialized_fill_n(_M_start, __n, __value); } |
|
explicit vector(size_type __n) |
: _Base(__n, allocator_type()) |
{ _M_finish = uninitialized_fill_n(_M_start, __n, _Tp()); } |
|
vector(const vector<_Tp, _Alloc>& __x) |
: _Base(__x.size(), __x.get_allocator()) |
{ _M_finish = uninitialized_copy(__x.begin(), __x.end(), _M_start); } |
|
// Check whether it's an integral type. If so, it's not an iterator. |
template <class _InputIterator> |
vector(_InputIterator __first, _InputIterator __last, |
const allocator_type& __a = allocator_type()) : _Base(__a) { |
typedef typename _Is_integer<_InputIterator>::_Integral _Integral; |
_M_initialize_aux(__first, __last, _Integral()); |
} |
|
template <class _Integer> |
void _M_initialize_aux(_Integer __n, _Integer __value, __true_type) { |
_M_start = _M_allocate(__n); |
_M_end_of_storage = _M_start + __n; |
_M_finish = uninitialized_fill_n(_M_start, __n, __value); |
} |
|
template <class _InputIterator> |
void _M_initialize_aux(_InputIterator __first, _InputIterator __last, |
__false_type) { |
_M_range_initialize(__first, __last, __iterator_category(__first)); |
} |
|
~vector() { destroy(_M_start, _M_finish); } |
|
vector<_Tp, _Alloc>& operator=(const vector<_Tp, _Alloc>& __x); |
void reserve(size_type __n) { |
if (capacity() < __n) { |
const size_type __old_size = size(); |
pointer __tmp = _M_allocate_and_copy(__n, _M_start, _M_finish); |
destroy(_M_start, _M_finish); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __tmp; |
_M_finish = __tmp + __old_size; |
_M_end_of_storage = _M_start + __n; |
} |
} |
|
// assign(), a generalized assignment member function. Two |
// versions: one that takes a count, and one that takes a range. |
// The range version is a member template, so we dispatch on whether |
// or not the type is an integer. |
|
void assign(size_type __n, const _Tp& __val) { _M_fill_assign(__n, __val); } |
void _M_fill_assign(size_type __n, const _Tp& __val); |
|
template <class _InputIterator> |
void assign(_InputIterator __first, _InputIterator __last) { |
typedef typename _Is_integer<_InputIterator>::_Integral _Integral; |
_M_assign_dispatch(__first, __last, _Integral()); |
} |
|
template <class _Integer> |
void _M_assign_dispatch(_Integer __n, _Integer __val, __true_type) |
{ _M_fill_assign((size_type) __n, (_Tp) __val); } |
|
template <class _InputIter> |
void _M_assign_dispatch(_InputIter __first, _InputIter __last, __false_type) |
{ _M_assign_aux(__first, __last, __iterator_category(__first)); } |
|
template <class _InputIterator> |
void _M_assign_aux(_InputIterator __first, _InputIterator __last, |
input_iterator_tag); |
|
template <class _ForwardIterator> |
void _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last, |
forward_iterator_tag); |
|
reference front() { return *begin(); } |
const_reference front() const { return *begin(); } |
reference back() { return *(end() - 1); } |
const_reference back() const { return *(end() - 1); } |
|
void push_back(const _Tp& __x) { |
if (_M_finish != _M_end_of_storage) { |
construct(_M_finish, __x); |
++_M_finish; |
} |
else |
_M_insert_aux(end(), __x); |
} |
void push_back() { |
if (_M_finish != _M_end_of_storage) { |
construct(_M_finish); |
++_M_finish; |
} |
else |
_M_insert_aux(end()); |
} |
void swap(vector<_Tp, _Alloc>& __x) { |
std::swap(_M_start, __x._M_start); |
std::swap(_M_finish, __x._M_finish); |
std::swap(_M_end_of_storage, __x._M_end_of_storage); |
} |
|
iterator insert(iterator __position, const _Tp& __x) { |
size_type __n = __position - begin(); |
if (_M_finish != _M_end_of_storage && __position == end()) { |
construct(_M_finish, __x); |
++_M_finish; |
} |
else |
_M_insert_aux(iterator(__position), __x); |
return begin() + __n; |
} |
iterator insert(iterator __position) { |
size_type __n = __position - begin(); |
if (_M_finish != _M_end_of_storage && __position == end()) { |
construct(_M_finish); |
++_M_finish; |
} |
else |
_M_insert_aux(iterator(__position)); |
return begin() + __n; |
} |
// Check whether it's an integral type. If so, it's not an iterator. |
template <class _InputIterator> |
void insert(iterator __pos, _InputIterator __first, _InputIterator __last) { |
typedef typename _Is_integer<_InputIterator>::_Integral _Integral; |
_M_insert_dispatch(__pos, __first, __last, _Integral()); |
} |
|
template <class _Integer> |
void _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __val, |
__true_type) |
{ _M_fill_insert(__pos, (size_type) __n, (_Tp) __val); } |
|
template <class _InputIterator> |
void _M_insert_dispatch(iterator __pos, |
_InputIterator __first, _InputIterator __last, |
__false_type) { |
_M_range_insert(__pos, __first, __last, __iterator_category(__first)); |
} |
|
void insert (iterator __pos, size_type __n, const _Tp& __x) |
{ _M_fill_insert(__pos, __n, __x); } |
|
void _M_fill_insert (iterator __pos, size_type __n, const _Tp& __x); |
|
void pop_back() { |
--_M_finish; |
destroy(_M_finish); |
} |
iterator erase(iterator __position) { |
if (__position + 1 != end()) |
copy(__position + 1, end(), __position); |
--_M_finish; |
destroy(_M_finish); |
return __position; |
} |
iterator erase(iterator __first, iterator __last) { |
iterator __i(copy(__last, end(), __first)); |
destroy(__i, end()); |
_M_finish = _M_finish - (__last - __first); |
return __first; |
} |
|
void resize(size_type __new_size, const _Tp& __x) { |
if (__new_size < size()) |
erase(begin() + __new_size, end()); |
else |
insert(end(), __new_size - size(), __x); |
} |
void resize(size_type __new_size) { resize(__new_size, _Tp()); } |
void clear() { erase(begin(), end()); } |
|
protected: |
|
template <class _ForwardIterator> |
pointer _M_allocate_and_copy(size_type __n, _ForwardIterator __first, |
_ForwardIterator __last) |
{ |
pointer __result = _M_allocate(__n); |
__STL_TRY { |
uninitialized_copy(__first, __last, __result); |
return __result; |
} |
__STL_UNWIND(_M_deallocate(__result, __n)); |
} |
|
template <class _InputIterator> |
void _M_range_initialize(_InputIterator __first, |
_InputIterator __last, input_iterator_tag) |
{ |
for ( ; __first != __last; ++__first) |
push_back(*__first); |
} |
|
// This function is only called by the constructor. |
template <class _ForwardIterator> |
void _M_range_initialize(_ForwardIterator __first, |
_ForwardIterator __last, forward_iterator_tag) |
{ |
size_type __n = 0; |
distance(__first, __last, __n); |
_M_start = _M_allocate(__n); |
_M_end_of_storage = _M_start + __n; |
_M_finish = uninitialized_copy(__first, __last, _M_start); |
} |
|
template <class _InputIterator> |
void _M_range_insert(iterator __pos, |
_InputIterator __first, _InputIterator __last, |
input_iterator_tag); |
|
template <class _ForwardIterator> |
void _M_range_insert(iterator __pos, |
_ForwardIterator __first, _ForwardIterator __last, |
forward_iterator_tag); |
}; |
|
template <class _Tp, class _Alloc> |
inline bool |
operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) |
{ |
return __x.size() == __y.size() && |
equal(__x.begin(), __x.end(), __y.begin()); |
} |
|
template <class _Tp, class _Alloc> |
inline bool |
operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) |
{ |
return lexicographical_compare(__x.begin(), __x.end(), |
__y.begin(), __y.end()); |
} |
|
template <class _Tp, class _Alloc> |
inline void swap(vector<_Tp, _Alloc>& __x, vector<_Tp, _Alloc>& __y) |
{ |
__x.swap(__y); |
} |
|
template <class _Tp, class _Alloc> |
inline bool |
operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) { |
return !(__x == __y); |
} |
|
template <class _Tp, class _Alloc> |
inline bool |
operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) { |
return __y < __x; |
} |
|
template <class _Tp, class _Alloc> |
inline bool |
operator<=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) { |
return !(__y < __x); |
} |
|
template <class _Tp, class _Alloc> |
inline bool |
operator>=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) { |
return !(__x < __y); |
} |
|
template <class _Tp, class _Alloc> |
vector<_Tp,_Alloc>& |
vector<_Tp,_Alloc>::operator=(const vector<_Tp, _Alloc>& __x) |
{ |
if (&__x != this) { |
const size_type __xlen = __x.size(); |
if (__xlen > capacity()) { |
pointer __tmp = _M_allocate_and_copy(__xlen, __x.begin(), __x.end()); |
destroy(_M_start, _M_finish); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __tmp; |
_M_end_of_storage = _M_start + __xlen; |
} |
else if (size() >= __xlen) { |
iterator __i(copy(__x.begin(), __x.end(), begin())); |
destroy(__i, end()); |
} |
else { |
copy(__x.begin(), __x.begin() + size(), _M_start); |
uninitialized_copy(__x.begin() + size(), __x.end(), _M_finish); |
} |
_M_finish = _M_start + __xlen; |
} |
return *this; |
} |
|
template <class _Tp, class _Alloc> |
void vector<_Tp, _Alloc>::_M_fill_assign(size_t __n, const value_type& __val) |
{ |
if (__n > capacity()) { |
vector<_Tp, _Alloc> __tmp(__n, __val, get_allocator()); |
__tmp.swap(*this); |
} |
else if (__n > size()) { |
fill(begin(), end(), __val); |
_M_finish = uninitialized_fill_n(_M_finish, __n - size(), __val); |
} |
else |
erase(fill_n(begin(), __n, __val), end()); |
} |
|
template <class _Tp, class _Alloc> template <class _InputIter> |
void vector<_Tp, _Alloc>::_M_assign_aux(_InputIter __first, _InputIter __last, |
input_iterator_tag) { |
iterator __cur(begin()); |
for ( ; __first != __last && __cur != end(); ++__cur, ++__first) |
*__cur = *__first; |
if (__first == __last) |
erase(__cur, end()); |
else |
insert(end(), __first, __last); |
} |
|
template <class _Tp, class _Alloc> template <class _ForwardIter> |
void |
vector<_Tp, _Alloc>::_M_assign_aux(_ForwardIter __first, _ForwardIter __last, |
forward_iterator_tag) { |
size_type __len = 0; |
distance(__first, __last, __len); |
|
if (__len > capacity()) { |
pointer __tmp(_M_allocate_and_copy(__len, __first, __last)); |
destroy(_M_start, _M_finish); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __tmp; |
_M_end_of_storage = _M_finish = _M_start + __len; |
} |
else if (size() >= __len) { |
iterator __new_finish(copy(__first, __last, _M_start)); |
destroy(__new_finish, end()); |
_M_finish = __new_finish.base(); |
} |
else { |
_ForwardIter __mid = __first; |
advance(__mid, size()); |
copy(__first, __mid, _M_start); |
_M_finish = uninitialized_copy(__mid, __last, _M_finish); |
} |
} |
|
template <class _Tp, class _Alloc> |
void |
vector<_Tp, _Alloc>::_M_insert_aux(iterator __position, const _Tp& __x) |
{ |
if (_M_finish != _M_end_of_storage) { |
construct(_M_finish, *(_M_finish - 1)); |
++_M_finish; |
_Tp __x_copy = __x; |
copy_backward(__position, iterator(_M_finish - 2), iterator(_M_finish- 1)); |
*__position = __x_copy; |
} |
else { |
const size_type __old_size = size(); |
const size_type __len = __old_size != 0 ? 2 * __old_size : 1; |
iterator __new_start(_M_allocate(__len)); |
iterator __new_finish(__new_start); |
__STL_TRY { |
__new_finish = uninitialized_copy(iterator(_M_start), __position, |
__new_start); |
construct(__new_finish.base(), __x); |
++__new_finish; |
__new_finish = uninitialized_copy(__position, iterator(_M_finish), |
__new_finish); |
} |
__STL_UNWIND((destroy(__new_start,__new_finish), |
_M_deallocate(__new_start.base(),__len))); |
destroy(begin(), end()); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __new_start.base(); |
_M_finish = __new_finish.base(); |
_M_end_of_storage = __new_start.base() + __len; |
} |
} |
|
template <class _Tp, class _Alloc> |
void |
vector<_Tp, _Alloc>::_M_insert_aux(iterator __position) |
{ |
if (_M_finish != _M_end_of_storage) { |
construct(_M_finish, *(_M_finish - 1)); |
++_M_finish; |
copy_backward(__position, iterator(_M_finish - 2), |
iterator(_M_finish - 1)); |
*__position = _Tp(); |
} |
else { |
const size_type __old_size = size(); |
const size_type __len = __old_size != 0 ? 2 * __old_size : 1; |
pointer __new_start = _M_allocate(__len); |
pointer __new_finish = __new_start; |
__STL_TRY { |
__new_finish = uninitialized_copy(iterator(_M_start), __position, |
__new_start); |
construct(__new_finish); |
++__new_finish; |
__new_finish = uninitialized_copy(__position, iterator(_M_finish), |
__new_finish); |
} |
__STL_UNWIND((destroy(__new_start,__new_finish), |
_M_deallocate(__new_start,__len))); |
destroy(begin(), end()); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __new_start; |
_M_finish = __new_finish; |
_M_end_of_storage = __new_start + __len; |
} |
} |
|
template <class _Tp, class _Alloc> |
void vector<_Tp, _Alloc>::_M_fill_insert(iterator __position, size_type __n, |
const _Tp& __x) |
{ |
if (__n != 0) { |
if (size_type(_M_end_of_storage - _M_finish) >= __n) { |
_Tp __x_copy = __x; |
const size_type __elems_after = end() - __position; |
iterator __old_finish(_M_finish); |
if (__elems_after > __n) { |
uninitialized_copy(_M_finish - __n, _M_finish, _M_finish); |
_M_finish += __n; |
copy_backward(__position, __old_finish - __n, __old_finish); |
fill(__position, __position + __n, __x_copy); |
} |
else { |
uninitialized_fill_n(_M_finish, __n - __elems_after, __x_copy); |
_M_finish += __n - __elems_after; |
uninitialized_copy(__position, __old_finish, _M_finish); |
_M_finish += __elems_after; |
fill(__position, __old_finish, __x_copy); |
} |
} |
else { |
const size_type __old_size = size(); |
const size_type __len = __old_size + max(__old_size, __n); |
iterator __new_start(_M_allocate(__len)); |
iterator __new_finish(__new_start); |
__STL_TRY { |
__new_finish = uninitialized_copy(begin(), __position, __new_start); |
__new_finish = uninitialized_fill_n(__new_finish, __n, __x); |
__new_finish |
= uninitialized_copy(__position, end(), __new_finish); |
} |
__STL_UNWIND((destroy(__new_start,__new_finish), |
_M_deallocate(__new_start.base(),__len))); |
destroy(_M_start, _M_finish); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __new_start.base(); |
_M_finish = __new_finish.base(); |
_M_end_of_storage = __new_start.base() + __len; |
} |
} |
} |
|
template <class _Tp, class _Alloc> template <class _InputIterator> |
void |
vector<_Tp, _Alloc>::_M_range_insert(iterator __pos, |
_InputIterator __first, |
_InputIterator __last, |
input_iterator_tag) |
{ |
for ( ; __first != __last; ++__first) { |
__pos = insert(__pos, *__first); |
++__pos; |
} |
} |
|
template <class _Tp, class _Alloc> template <class _ForwardIterator> |
void |
vector<_Tp, _Alloc>::_M_range_insert(iterator __position, |
_ForwardIterator __first, |
_ForwardIterator __last, |
forward_iterator_tag) |
{ |
if (__first != __last) { |
size_type __n = 0; |
distance(__first, __last, __n); |
if (size_type(_M_end_of_storage - _M_finish) >= __n) { |
const size_type __elems_after = end() - __position; |
iterator __old_finish(_M_finish); |
if (__elems_after > __n) { |
uninitialized_copy(_M_finish - __n, _M_finish, _M_finish); |
_M_finish += __n; |
copy_backward(__position, __old_finish - __n, __old_finish); |
copy(__first, __last, __position); |
} |
else { |
_ForwardIterator __mid = __first; |
advance(__mid, __elems_after); |
uninitialized_copy(__mid, __last, _M_finish); |
_M_finish += __n - __elems_after; |
uninitialized_copy(__position, __old_finish, _M_finish); |
_M_finish += __elems_after; |
copy(__first, __mid, __position); |
} |
} |
else { |
const size_type __old_size = size(); |
const size_type __len = __old_size + max(__old_size, __n); |
iterator __new_start(_M_allocate(__len)); |
iterator __new_finish(__new_start); |
__STL_TRY { |
__new_finish = uninitialized_copy(iterator(_M_start), |
__position, __new_start); |
__new_finish = uninitialized_copy(__first, __last, __new_finish); |
__new_finish |
= uninitialized_copy(__position, iterator(_M_finish), __new_finish); |
} |
__STL_UNWIND((destroy(__new_start,__new_finish), |
_M_deallocate(__new_start.base(),__len))); |
destroy(_M_start, _M_finish); |
_M_deallocate(_M_start, _M_end_of_storage - _M_start); |
_M_start = __new_start.base(); |
_M_finish = __new_finish.base(); |
_M_end_of_storage = __new_start.base() + __len; |
} |
} |
} |
|
} // namespace std |
|
#endif /* __SGI_STL_INTERNAL_VECTOR_H */ |
|
// Local Variables: |
// mode:C++ |
// End: |